Pressed Steel Door Frame (20, 18 gauge) ("WM" Series*) (Knock-Down) for installation up to and including 90 Minute steel/wood stud drywall openings. 24 gauge Snap-On trim supplied with frame.
Maximum Size of Openings
Singles 3'6" wide x 9'0" high
Pairs 7'0" wide x 7'2" high
Evaluated to the following...
Unless otherwise noted, assemblies in this section have been tested to the following standards:
ASTM-E2074-00, Methods of Fire Tests of Door Assemblies
CAN4-S104(ULC-S104), Standard Method for Fire Tests of Door Assemblies
CSFM-43.7, Methods of Fire Tests of Door Assemblies
NFPA-252, Standard Methods of Fire Tests of Door Assemblies
UBC-7-2-94, Uniform Building Code
UBC-7-2-97, Uniform Building Code
UL-10(b), Fire Tests of Door Assemblies
UL-10(c), Fire Tests of Door Assemblies
UL-1784
and are installed, unless otherwise noted, in accordance with the following:
NFPA-80, Fire Doors & Windows
Manufacturer's Instructions.
Listed maximum sizes of lights are based on sizes tested and may exceed local code requirements.
All frames are identified by either a label or embossed marking bearing the wording "Listed (Product)" and the WHI Certification Mark. Frames rated for less than 3 hours also bear the time interval. Frame labels that do not include a time interval are rated for 3 hours.